{"instruction": "You are an expert in relationship extraction. Please extract relationship triples that match the schema definition from the input. Return an empty list for relationships that do not exist. Please respond in the format of a JSON string.", "schema": ["used for", "evaluate for", "part of"], "input": "This paper describes the framework of a Korean phonological knowledge base system using the unification-based grammar formalism : Korean Phonology Structure Grammar -LRB- KPSG -RRB- ."}
{"used for": [{"subject": "unification-based grammar formalism", "object": "Korean phonological knowledge base system"}], "evaluate for": [], "part of": []}